by cmstactics on WordPress.org
WP Comments Google Map for Posts adds a Google map to your posts and shows the location of each user that comments on that post.

Sample of WPCGMP - Once all is set correctly in the WPCGMP settings, you should see a Google Map with markers plotted for the estimated location of the commenter.
WP Comments Google Map for Posts adds a Google map to your posts and plots a marker to the map for the location of each user that comments on that post.